package com.adiu.gulimall.product.exception;

import com.adiu.common.exception.BizCodeEnume;
import com.adiu.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

/**
 * 集中处理所有异常
 */
@Slf4j
//@ResponseBody
//@ControllerAdvice
@RestControllerAdvice(basePackages = "com.adiu.gulimall.product.controller")
public class GulimallExceptionControllerAdvice {

    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleVaildException(MethodArgumentNotValidException e){

        log.error("数据校验出现问题{}，异常类型：{}",e.getMessage(),e.getClass());
        BindingResult bindingResult = e.getBindingResult();
        Map<String,String> map=new HashMap<>();
        bindingResult.getFieldErrors().forEach((fieldError)->{
            String defaultMessage = fieldError.getDefaultMessage();
            String field = fieldError.getField();
            map.put(field,defaultMessage);
        });
        return R.error(BizCodeEnume.VALID_EXCEPTION.getCode(),BizCodeEnume.VALID_EXCEPTION.getMsg()).put("data",map);
    }

    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable throwable){

        return R.error(BizCodeEnume.UNKNOWN_EXCEPTION.getCode(), BizCodeEnume.UNKNOWN_EXCEPTION.getMsg());
    }
}
